English

levallorphan

From lev- + all(yl) + -orphan (“morphinan derivate”).

Formed from lev- + allyl + -orphan ‘morphinan derivate’

Latin allium ‘garlic’

English allyl

Today it means

noun An opioid antagonist from the morphinan family.

Language periods are conventional ranges, not dates for this word.

Etymograph / levallorphan